Type-bar bearing for type-writers.



No. 779,436. PATENTED'JAN. 10, 1905. L. MYERS.

TYPE BAR BEARING FOR TYPE WRITERS.

' APPLICATION FILED HA3. 5, 190a.

QSHEETS-SHIIBT 1.

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iNVENTOR a Iouis Jfyers BY fATTORNEY S PATENTED JAN. 10, 1905.

7 L. MYERS. TYPE BAR BEARING FOR TYPE WRITERS.

APPLICATION FILED MAR. 6, 1903.

2 SHEETS-SHEET 2.

INVENTOR I 01013 @6125 BY flaw. m

ATTORNEYS UNITED STATES Patented January 10, 1905.

PATENT OFFICE.

LOUIS MYERS, OF HARTFORD, CONNECTICUT, ASSIGNOR TO UNDERVVOOD TYPEWRITERCOMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.

TYPE-BAR BEARING FOR TYPE-WRITERS.

SLEGIFICATION forming part of Letters Patent No. 779,436, dated January10, 1905.

Application filed March 5, 1903. Serial No. 146,300.

To all whmn it may concern:

Be it known that I, LOUIS MYERS, a citizen of the United States, and aresident of Hartford, Hartford county, and State of Connectiout, haveinvented certain new and useful Improvements in Type-Bar Bearings forType- Writers, of which the following is a specification.

My invention relates to type-writers and like machines, and has for itsobject to so mount or support the type-bars that they will move veryeasily and will be held against lateral movement; and a further objectis to enable the type-bars to be set very close together,

I 5 while at the same time preserving a strong and rigid bearing.

To this end my invention consists of certain features of constructionand arrangements of parts, as will be fully described hereinafter andspecifically pointed out in the appended claims.

Reference is to be had to the accompanying drawings, in which Figure lis a sectional elevation from front 2 5 to rear of a type-writerprovided with my improvement. Fig. 2 is a front elevation of the segmentcarrying the type-bar bearings or hangers. Fig. 3 is a top view of thesegment. Fig. 4. is an enlarged side elevation of the type-bar and itsbearing with parts removed. Fig. 5 is a cross-section on line 5 5 ofFig. 4. Figs. 6 and 7 illustrate the details of a slightly differentform of my invention in rear elevation and sectional frontelevation,respectively.

Fig. 8 shows a difierent mode of attaching the hangers to the segment.Fig. 9 is a detail sectional elevation on line 9 9 of Fig. 3, and Fig. 9is a top view of the central portion of the segment with the type-barhanger 4 removed.

The type-bar actionthat is, the mechanism for throwing the type-bar tothe printing position-may be of any suitable construction. I have showna key-lever A, fulcrumed at A upon the frameB and having a pin-and-slotconnection A with an elbow-lever C, fulcrumed at C and connected by alink D with the type-bar E. This type-bar may be grooved longitudinallyon both sides, as shown in Figs.

1 and 2, so as to produce a reduced web or stem E and reinforced edgeportions, thereby giving the type-bar great rigidity. The typebars arearranged in pairs, as shown in Figs.

2, 3, and 5, and are formed with annular bearing portions E grooved ontheir inner 5 5 surfaces to form races for balls F. These balls alsoengage beveled or conical shoulders G upon hangers G, carried by thesegment H. Each hanger has two such shoulders, one on each side. On theoutside the balls Fare engaged by caps J, having conical shoulders, saidcaps being screwed upon expansible threaded sleeves K, integral with andprojected from the hanger. Conical screws L fit into the sleeves K toexpand them. These sleeves do not aline with each other, but are locatedat an angle to each other, so that the two type-bars mounted on the samehanger swing in different planes. The hanger is accordingly reduced inthickness from bottom to top, as shown in Figs. 2 and 5.

The manner of securing the hangers G to the support or segment H mayvary. In Figs.

1 to 5 the segmenthas a curved bottom rib H, provided with radialdovetail grooves H con- 7 5 tracted toward their lower ends, as shown inFigs. 9 and 9, and into these grooves are fitted dovetail ribs G on thehangers G. It will therefore be understood that the number of thegrooves H is only one-half the number of type-bars E, and thus a verystrong construction of the segment is obtained notwithstanding a veryclose arrangement of the type-bars. Owing to the rigidity of thetype-bars and to the extended bearing they have at their piv- 8 ots theyswing perfectly true without lateral looseness, thus avoiding onetype-bars getting caught in its neighbor when two adjacent type-bars areoperated in quick succession.

In Figs. 6 and 7 the stem E instead of being located centrally isarranged at one side and flush with the outer surfaces of the reinforcededge portions of the type-bars. In Fig. 2 the stem E is shown centrallylocated, thus forming practically an I in cross-section, while in Fig. 7the stem being located at one side the type-bar is practically a U incrosssection, the outer surfaces of the type-bar being entirely smoothin this structure. This further reduces the liability of entanglement oftwo neighboring type-bars.

According to Fig. 8 the dovetail connection of the hangers Gr with thesegment H is suppressed, and in its stead I employ screws M for securingeach hanger to the segment.

An important advantage of my invention is found in the fact that eachhanger is independently removable from the segment and each type bar isindependently removable from its hanger. Repairs are therefore greatlyfacilitated. Any oil dropped into the ballbearings will be retainedtherein.

Various modifications may be made without departing from the nature ofmy invention.

What I claim as new, and desire to secure by Letters Patent, is

1. In a type-writer or like machine, a support, a plurality of hangershaving a dovetail connection with said support, the members of saidconnection being contracted toward one end, and type-bars carried bysaid hangers.

2. In a type-writer, or like machine, a support, hangers on saidsupport, each hanger having cones on opposite faces, type-bars locatedon each side of a hanger and provided with annular pivot portions havinginterior ball-races, balls interposed between the typebars and saidcones, caps arranged to engage the outer surfaces of the balls, sleeveson which said caps screw, and expanding-screws within said sleeves.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

LOUIS MYERS. WVitnesses:

JOHN LOTKA, Orro v. SCHRENK.

